| Commit message (Collapse) | Author | Age | Files | Lines |
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* runtime/transport/relay_v2.c (_stp_transport_data_fs_init): Sets uid/gid
on "dropped" file.
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* runtime/transport/relay_v2.c: Cleanup.
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* runtime/transport/relay_v2.c: Morphed utt.c into relay_v2.c. Actually
works.
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* runtime/print_new.c (stp_print_flush): Calls _stp_data_entry_data() to
get data pointer.
* runtime/transport/transport.h: Removed _stp_entry definition. Added
_stp_data_entry_data() declaration.
* runtime/transport/ring_buffer.c: Uses new _stp_data_entry structure.
(_stp_data_entry_data): Added.
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* runtime/transport/transport.h: Added comments.
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* runtime/transport/control.c: Added inclusion of linux/delay.h to get
declaration of msleep().
* runtime/transport/relay_v2.c: New skeleton file for transport version 2.
* runtime/transport/ring_buffer.c: Cleanup.
* runtime/transport/transport.c: Ditto.
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2009-04-02 David Smith <dsmith@redhat.com>
* runtime.h: Defines STP_TRANSPORT_VERSION instead of STP_OLD_TRANSPORT.
* staprun/staprun.h (STP_OLD_TRANSPORT): Ditto.
* print.c: Changed STP_OLD_TRANSPORT to STP_TRANSPORT_VERSION.
* staprun/mainloop.c (stp_main_loop): Ditto.
* transport/transport.c: Ditto.
* transport/transport.h: Ditto.
* transport/transport_msgs.h: Ditto.
* transport/utt.h: Ditto.
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* print_new.c (stp_print_flush): Pushed MAX_RESERVE logic down to
_stp_data_write_reserve(). Now just keeps calling
_stp_data_write_reserve() until it has written the entire print
buffer.
* transport/ring_buffer.c (_stp_data_write_reserve): Breaks large
reserve requests down into smaller ones for better buffer use.
Returns the number of bytes reserved.
* transport/transport.h: Updated _stp_data_write_reserve()
prototype.
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* print_new.c: Whitespace/indent changes only.
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2009-03-13 David Smith <dsmith@redhat.com>
* print_new.c (stp_print_flush): Added bulkmode support for new
transport.
* transport/ring_buffer.c (__stp_find_next_entry): Fixed syntax
error in bulkmode code.
(_stp_transport_data_fs_init): Changed 'for_each_possible_cpu()'
to 'for_each_online_cpu()' so that non-online cpu's won't have a
trace file created.
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2009-03-13 David Smith <dsmith@redhat.com>
* transport/ring_buffer.c (_stp_data_open_trace): Passes the
inode's private data into the file's private data.
(_stp_trace_seq_to_user): Deleted unused function.
(trace_seq_reset): Ditto.
(__stp_find_next_entry): Renamed and added bulkmode support.
(_stp_find_next_entry): Updated call.
(_stp_data_read_trace): Updated call.
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2009-03-13 David Smith <dsmith@redhat.com>
* transport/ring_buffer.c (__stp_free_ring_buffer): Frees
_stp_trace_reader_cpumask.
(__stp_alloc_ring_buffer): Allocates and clears
_stp_trace_reader_cpumask.
(_stp_data_open_trace): Instead of using an atomic variable, uses
a cpumask variable to allow for only one reader of trace files.
(_stp_data_release_trace): Clears cpumask when trace files are
closed.
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2009-03-12 David Smith <dsmith@redhat.com>
* transport/ring_buffer.c (_stp_transport_data_fs_init): Start of
STP_BULKMODE support - creates one trace file per cpu.
(_stp_transport_data_fs_close): Cleans up one trace file per cpu.
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2009-03-12 David Smith <dsmith@redhat.com>
* transport/ring_buffer.c (__stp_alloc_ring_buffer): Updated
buffer size.
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2009-03-11 David Smith <dsmith@redhat.com>
* print_new.c (stp_print_flush): Updated MAX_RESERVE_SIZE.
* transport/ring_buffer.c (__stp_alloc_ring_buffer): Reserves
more space.
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2009-03-11 David Smith <dsmith@redhat.com>
* systemtap.printf/end1.exp: The test fails when stap fails.
* systemtap.printf/end1b.exp: Ditto.
* systemtap.printf/mixed_out.exp: Ditto.
* systemtap.printf/mixed_outb.exp: Ditto.
* systemtap.printf/out1.exp: Ditto.
* systemtap.printf/out1b.exp: Ditto.
* systemtap.printf/out2.exp: Ditto.
* systemtap.printf/out2b.exp: Ditto.
* systemtap.printf/out3.exp: Ditto.
* systemtap.printf/out3b.exp: Ditto.
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2009-03-11 David Smith <dsmith@redhat.com>
* print_new.c (stp_print_flush): Breaks up the buffer into smaller
pieces (since the ring_buffer likes lots of small events, not one
large one).
* transport/ring_buffer.c (__stp_alloc_ring_buffer): Reserves
space for struct _stp_entry.
(_stp_data_poll_trace): New function.
(_stp_data_write_commit): Wakes up any tasks waiting on data.
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2009-03-09 David Smith <dsmith@redhat.com>
* print_new.c (stp_print_flush): Calls _stp_data_write_reserve()
and _stp_data_write_commit().
* transport/ring_buffer.c (__stp_alloc_ring_buffer): Sets up a
default buffer size of STP_BUFFER_SIZE;
(trace_seq_reset): New function.
(peek_next_entry): New function.
(__find_next_entry): New function.
(find_next_entry_inc): New function.
(_stp_data_read_trace): Uses find_next_entry_inc() to get the next
entry, then calls _stp_entry_to_user() to copy it to the user's
buffer, then calls ring_buffer_consume() to consume it.
(_stp_data_write_reserve): New function.
(_stp_data_write_commit): New function.
* transport/transport.c (_stp_transport_close): Calls functions
that were ifdef'ed out.
* transport/transport.h (struct _stp_entry): Added _stp_entry
definition and _stp_data_write_reserve()/_stp_data_write_commit()
prototypes.
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2009-03-04 David Smith <dsmith@redhat.com>
* runtime.h: Added _stp_exit() prototype.
* transport/ring_buffer.c: New file.
* transport/transport.c: Removed unneeded utt_trace lines.
Includes transport/ring_buffer.c.
(_stp_transport_fs_init): Calls _stp_transport_data_fs_init().
(_stp_transport_fs_close): Calls _stp_transport_data_fs_close().
* transport/transport.h: Added prototypes.
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2009-02-25 David Smith <dsmith@redhat.com>
* debug.h: Removed unused variable '_stp_transport_state'.
* print_new.c (stp_print_flush): Ifdef'ed out call to
utt_reserve().
* runtime.h: Added _stp_warn() prototype.
* transport/control.c: Includes control.h, mempool.c, and
symbols.c. Renamed '_stp_attached' to '_stp_ctl_attached'.
* transport/control.h: Removed _stp_pool_q declaration.
* transport/debugfs.c (_stp_register_ctl_channel_fs): Uses
_stp_get_module_dir().
* transport/transport.c: Cleanup.
* transport/transport.h: Ditto.
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2009-02-24 David Smith <dsmith@redhat.com>
* print.h: New file.
* print.c: Includes new print.h file.
* print_new.c (stp_print_flush): Commented out some code that
needs replacing.
* sym.c: Includes sym.h.
* transport/debugfs.c: Includes transport.h.
* transport/relayfs.c: Updated _stp_get_root_dir() call.
* transport/transport.c: Ifdef'ed out most setup.
* transport/transport.h: Ifdef'ed out all but basics.
* transport/utt.c (utt_create_tree): Updated _stp_get_root_dir()
call.
* transport/utt.h: Commented out 'rchan' in struct utt_trace.
(utt_reserve): Ifdef'ed out guts.
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Revise acquiring of pid and ppid in fork.return probe -- use returnval()
and pid() instead of pid() and ppid() respectively. Add pid removal on
exit syscall. Use dwarfless syscall probe aliases. Correct formatting.
Signed-off-by: Josh Stone <jistone@redhat.com>
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* translate.cxx (translate_pass): Emit module_parm stuff at the very end.
* testsuite/buildok/null.stp: New test.
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* dwflpp.cxx (relocate_address): Adjust reloc_addr at start, not afterwards.
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* sdt.h (STAP_PROBE1): Add cast of parm1 for narrower signed types.
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* testsuite/systemtap.base/flightrec3.exp: Fixed for slower systems.
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Previous implementation was error-prone, because allowed returning empty
tokens (mimiced strsep()), which is fine if there is a NULL semantic.
Unfortunately SystemTap doesn't provide it in scripts and has only blank
string (""), therefore testing against it was misleading.
The solution is to return only non-empty tokens (mimic strtok()).
* tapset/string.stp: Fix tokenize.
* testsuite/systemtap.string/tokenize.stp: Improve and add case with
more than one delimiter in the delim string.
* testsuite/systemtap.string/tokenize.exp: Ditto.
* stapfuncs.3stap.in: Update tokenize description.
* doc/langref.tex: Ditto.
Signed-off-by: Josh Stone <jistone@redhat.com>
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* testsuite/systemtap.base/flightrec3.exp: Improved error handling.
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* dwflpp.cxx (relocate_address): For .dynamic section addresses adjust for
module bias.
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* tapsets.cxx (dwarf_builder::build): pass probe_table.probe_name into
the sdt_var_expander instead of .mark_name, so wildcards are resolved.
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tapsets.cxx (dwarf_builder::build): Special case listing mode for kprobe and utrace.
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* runtime/runtime.h: Includes time.c.
* runtime/transport/transport.c: Removed time.c inclusion.
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* tapsets.cxx (dwarf_builder) Add probes_handled.
(dwarf_builder::build): Use probes_handled to not emit duplicates.
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* testsuite/lib/systemtap.exp (get_system_info): Remove possible newlines
from GCC_Version string.
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Prints the gcc being used and full version. Also adds short version
number to systemtap.sum file (plus full version string). Will make
comparing failures based on compiler version being used easier.
* testsuite/lib/systemtap.exp (print_systemtap_version): Also print
location and full version of gcc being used.
(get_system_info): Get gcc version number and long version string.
* testsuite/lib/stap_run.exp (print_system_info): Output GCC version.
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* tapset/context.stp: Add pgrp() function.
* testsuite/buildok/context_test.stp: Add pgrp() call.
* stapfuncs.3stap.in: Describe pgrp() and sid().
Signed-off-by: Josh Stone <jistone@redhat.com>
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* sdt.h (EXPERIMENTAL_UTRACE_SDT, EXPERIMENTAL_KPROBE_SDT): New probe
point macros.
* dtrace: Add support for creating type debug info, currently invoked
with --types.
* tapsets.cxx (probe_table::convert_probe): New.
(probe_table::convert_location): New.
(dwarf_builder::build): Use it to simplify probe point handling.
* sdt.exp (pbtype_flags, pbtype_mssgs): New to also test kprobe and utrace.
* static_uprobes.exp (pbtype_flags, pbtype_mssgs): New to also test kprobe and utrace.
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